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Brian C Dennis, MD

Anesthesiology · Bronx

NPI 1588878060

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
2

Offices

2 locations · Montefiore Medical Center · Singular Anesthesia Services PLLC

Looking this up.

Hospitals listed: New York-Presbyterian Hospital. That is not proof they admit you there this week.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Dennis’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A99955 · Cancelled

Licence status: Cancelled · since 2007 · University of California San Francisco School of Medicine.

License has been voluntarily canceled, or the license has been expired for at least five years and has not been renewed. No practice is permitted.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • New York-Presbyterian HospitalNew York, NYAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of New York Presbyterian Healthcare System, which runs 8 hospitalsHome of Herbert Irving Comprehensive Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 3 of 5 · 72% would definitely recommend it
    Overall rating: 5 of 5 starsWorse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 15.2 (13.8 to 16.7) · 1,897 cases, Jan 2024 – Dec 2024Better than the national rate — Abdominopelvic accidental puncture or laceration rate: 0.35 (0 to 0.86) · 10,364 cases, Jul 2022 – Jun 2024Better than the national rate — CMS Medicare PSI 90: Patient safety and adverse events composite: 0.4 (0.3 to 0.51), Jul 2022 – Jun 2024Better than the national rate — In-hospital fall-associated fracture rate: 0.14 (0.03 to 0.25) · 52,654 cases, Jul 2022 – Jun 2024Better than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 1.48 (0.6 to 2.36) · 14,926 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative acute kidney injury requiring dialysis rate: 0.48 (0 to 1.06) · 8,078 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative hemorrhage or hematoma rate: 0.94 (0.21 to 1.66) · 12,529 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative respiratory failure rate: 6.15 (4.51 to 7.79) · 8,277 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative sepsis rate: 1.66 (0.42 to 2.91) · 8,436 cases, Jul 2022 – Jun 2024Better than the national rate — Pressure ulcer rate: 0.09 (0 to 0.3) · 44,511 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.575, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.632, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.22, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.743, Oct 2024 – Sep 2025Better than the national rate — Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy: 3.6 (2.9 to 4.4) · 1,897 cases, Jan 2024 – Dec 2024Better than the national rate — Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies): 10.6 (8.9 to 12.6) · 7,950 cases, Jan 2022 – Dec 2024Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.6 (0.6 to 0.7) · 4,225 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for New York-Presbyterian Hospital

Behind the star rating — Deaths: 6 better, 2 the same, 0 worse of 8 measures. Safety: 4 better, 4 the same, 0 worse of 8 measures. Readmissions: 3 better, 6 the same, 2 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at New York-Presbyterian Hospital
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits15.2 (13.8 to 16.7) · 1,897 casesWorseJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.35 (0 to 0.86) · 10,364 casesBetterJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.4 (0.3 to 0.51)BetterJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.14 (0.03 to 0.25) · 52,654 casesBetterJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths1.48 (0.6 to 2.36) · 14,926 casesBetterJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.48 (0 to 1.06) · 8,078 casesBetterJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths0.94 (0.21 to 1.66) · 12,529 casesBetterJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths6.15 (4.51 to 7.79) · 8,277 casesBetterJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths1.66 (0.42 to 2.91) · 8,436 casesBetterJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.09 (0 to 0.3) · 44,511 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.575BetterOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.632BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.22BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.743BetterOct 2024 – Sep 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits3.6 (2.9 to 4.4) · 1,897 casesBetterJan 2024 – Dec 2024
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits10.6 (8.9 to 12.6) · 7,950 casesBetterJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.6 (0.6 to 0.7) · 4,225 casesBetterJan 2024 – Dec 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths156.83 (135.92 to 177.74) · 798 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.7 · 382 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths5.7 · 574 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.6 · 616 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.9 · 2,532 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.9 · 3,140 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths7.7 · 1,821 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths1.8 · 24,470 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.11 (0 to 0.22) · 48,588 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths0.84 (0 to 1.9) · 3,187 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 1,240 casesNoneApr 2023 – Mar 2025
SSI - Abdominal HysterectomyInfections0.314No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.717No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.6 · 1,045 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.4 · 5,234 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits11 · 686 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits3 · 2,938 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits13.4 · 3,258 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.4 · 5,005 casesNoneJul 2023 – Jun 2025
Rate of readmission after hip/knee replacementUnplanned return visits5.5 · 1,230 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits9.9 · 411 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.6 · 1,226 casesNoneJul 2023 – Jun 2025

What patients said (2,640 patients answered, 20% of those asked)

Patient survey stars by topic at New York-Presbyterian Hospital
Cleanliness3
Nurse communication3
Doctor communication3
Communication about medicines3
Discharge information3
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at New York-Presbyterian Hospital
Room was "always" clean65%
Nurses "always" communicated well76%
Doctors "always" communicated well78%
Staff "always" explained59%
Yes, staff "did" give patients this information85%
Yes, staff "did" give patients information about help after discharge84%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully77%
Doctors "always" treated them with courtesy and respect84%
Patients who gave a rating of "9" or "10" (high)69%
Staff "always" explained new medications74%
Nurses "always" explained things so they could understand73%
Nurses "always" listened carefully72%
Nurses "always" treated them with courtesy and respect82%
"Always" quiet at night49%
"YES", patients would definitely recommend the hospital72%
Staff "always" explained possible side effects45%
Yes, staff "did" give patients information about possible symptoms87%

Original Medicare doctor bills

$33,555

Medicare paid this office $33,555 for 205 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Anesthesia for exam of colon using an endoscope39$4,380$112
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope30$3,327$111
Anesthesia for other procedure on large bowel using an endoscope30$3,165$105
Anesthesia for procedure on small and large bowel using an endoscope18$2,373$132

Who their Medicare patients are

205 Original Medicare patients in 2024. Average age 74 · Under 65 6% · 85 and older 8% · Women 49% · Also on Medicaid 14% · Health risk score 1.33. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Diabetes 35% · Coronary heart disease 33% · Cancer 26% · Chronic kidney disease 23% · Atrial fibrillation 20% · Heart failure 19% · Depression 19% · COPD 16% · Stroke 8% · Dementia 6%.

The office billed $527,031, Medicare allowed $41,441 and paid $33,555; for 232 services of 56 kinds.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare by year
2024205232741.33$527,031$33,555
2023145184741.51$673,964$36,631
2022112137741.39$508,750$25,723
2021135162741.29$636,675$34,952
2020106125731.75$514,100$31,075
201995119761.40$248,509$24,224
2018192195761.23$534,182$37,187
2017197210751.35$402,082$40,017
2016197214751.25$122,302$44,310
2015204227751.35$73,184$54,687
2014221248751.23$65,713$50,656
2013151177751.10$53,445$40,258

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 4 services

Original Medicare services billed in 2023
Anesthesia for extensive surgery on spine12$7,332$611
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope13$1,651$127
Anesthesia for exam of colon using an endoscope13$1,577$121
Insertion of artery tube for blood sampling or infusion through skin20$839$40

2022: 2 services

Original Medicare services billed in 2022
Anesthesia for lens surgery35$2,915$83
Insertion of artery tube for blood sampling or infusion through skin12$483$40

2021: 4 services

Original Medicare services billed in 2021
Anesthesia for other procedure on upper abdomen11$3,966$361
Anesthesia for lens surgery25$2,222$89
Anesthesia for retinal surgery13$1,941$149
Insertion of artery tube for blood sampling or infusion through skin17$710$42

2020: 2 services

Original Medicare services billed in 2020
Anesthesia for procedure on anus and rectum15$2,773$185
Insertion of artery tube for blood sampling or infusion through skin13$499$38

2018: 3 services

Original Medicare services billed in 2018
Anesthesia for lens surgery45$5,162$115
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope18$2,407$127
Anesthesia for procedure on anus and rectum11$1,632$148

2017: 5 services

Original Medicare services billed in 2017
Anesthesia for lens surgery43$4,874$113
Anesthesia for procedure for total knee joint replacement13$3,771$290
Anesthesia for procedure on gastrointestinal tract using an endoscope19$2,555$134
Anesthesia for other procedure on eye12$2,169$167
Insertion of artery tube for blood sampling or infusion through skin11$462$42

2016: 2 services

Original Medicare services billed in 2016
Anesthesia for procedure on gastrointestinal tract using an endoscope32$4,509$141
Anesthesia for lens surgery25$2,928$117

2015: 6 services

Original Medicare services billed in 2015
Anesthesia for extensive surgery on spine12$8,316$693
Anesthesia for procedure for total knee joint replacement15$5,087$339
Anesthesia for removal of prostate including use of an endoscope22$4,515$205
Anesthesia for lens surgery28$3,621$129
Anesthesia for other procedure on urinary system through urethra11$1,373$114
Insertion of artery tube for blood sampling or infusion through skin11$492$45

2014: 6 services

Original Medicare services billed in 2014
Anesthesia for lens surgery41$5,148$123
Anesthesia for procedure for total knee joint replacement12$4,513$376
Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope18$3,334$185
Anesthesia for removal of prostate including use of an endoscope13$2,740$211
Anesthesia for procedure on gastrointestinal tract using an endoscope12$1,916$160
Anesthesia for other procedure on urinary system through urethra11$1,521$138

2013: 3 services

Original Medicare services billed in 2013
Anesthesia for procedure for total knee joint replacement18$6,537$363
Anesthesia for removal of prostate including use of an endoscope11$2,431$221
Anesthesia for lens surgery12$1,642$137

Money from drug and device companies

$99 in 2024

A payment is not proof that care is biased.

Payments by company
Merck Sharp & DohmeBridion$99
4 payments
  • Meals for Bridion · 2024-10-11 · $24
  • Meals for Bridion · 2024-07-23 · $27
  • Meals for Bridion · 2024-05-02 · $24
  • Meals for Bridion · 2024-01-25 · $25
See all 4 published payments
Every published payment
Merck Sharp & DohmeMeals · 2024-10-11Bridion$24
Merck Sharp & DohmeMeals · 2024-07-23Bridion$27
Merck Sharp & DohmeMeals · 2024-05-02Bridion$24
Merck Sharp & DohmeMeals · 2024-01-25Bridion$25

Professional record

NPI
1588878060
Licence
CA A99955California A99955: Cancelled
Trained
University of California, San Francisco School of Medicine, 2005
Group
Montefiore Medical Center · Singular Anesthesia Services PLLC
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
2350 W El Camino Real Fl 2, Mountain View, CA, 94040
NPI first listed
2007-05-10
NPI last updated
2019-01-07

This is when the NPI record was last certified, not a medical board exam.